1
# Having a separate GNUmakefile lets me `include' the dynamically
2
# generated rules created via cfg.mk (package-local configuration)
3
# as well as maint.mk (generic maintainer rules).
4
# This makefile is used only if you run GNU Make.
5
# It is necessary if you want to build targets usually of interest
6
# only to the maintainer.
8
# Copyright (C) 2001, 2003, 2006-2011 Free Software Foundation, Inc.
10
# This program is free software: you can redistribute it and/or modify
11
# it under the terms of the GNU General Public License as published by
12
# the Free Software Foundation, either version 3 of the License, or
13
# (at your option) any later version.
15
# This program is distributed in the hope that it will be useful,
16
# but WITHOUT ANY WARRANTY; without even the implied warranty of
17
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18
# GNU General Public License for more details.
20
# You should have received a copy of the GNU General Public License
21
# along with this program. If not, see <http://www.gnu.org/licenses/>.
23
# Systems where /bin/sh is not the default shell need this. The $(shell)
24
# command below won't work with e.g. stock DOS/Windows shells.
25
ifeq ($(wildcard /bin/s[h]),/bin/sh)
28
# will be used only with the next shell-test line, then overwritten
29
# by a configured-in value
33
# If the user runs GNU make but has not yet run ./configure,
34
# give them a diagnostic.
35
_have-Makefile := $(shell test -f Makefile && echo yes)
36
ifeq ($(_have-Makefile),yes)
38
# Make tar archive easier to reproduce.
39
export TAR_OPTIONS = --owner=0 --group=0 --numeric-owner
41
# Allow the user to add to this in the Makefile.
42
ALL_RECURSIVE_TARGETS =
46
# Some projects override e.g., _autoreconf here.
47
-include $(srcdir)/cfg.mk
49
# Allow cfg.mk to override these.
50
_build-aux ?= build-aux
51
_autoreconf ?= autoreconf -v
53
include $(srcdir)/maint.mk
55
# Ensure that $(VERSION) is up to date for dist-related targets, but not
56
# for others: rerunning autoreconf and recompiling everything isn't cheap.
57
_have-git-version-gen := \
58
$(shell test -f $(srcdir)/$(_build-aux)/git-version-gen && echo yes)
59
ifeq ($(_have-git-version-gen)0,yes$(MAKELEVEL))
60
_is-dist-target ?= $(filter-out %clean, \
61
$(filter maintainer-% dist% alpha beta stable,$(MAKECMDGOALS)))
62
_is-install-target ?= $(filter-out %check, $(filter install%,$(MAKECMDGOALS)))
63
ifneq (,$(_is-dist-target)$(_is-install-target))
64
_curr-ver := $(shell cd $(srcdir) \
65
&& $(_build-aux)/git-version-gen \
67
$(git-version-gen-tag-sed-script))
68
ifneq ($(_curr-ver),$(VERSION))
69
ifeq ($(_curr-ver),UNKNOWN)
70
$(info WARNING: unable to verify if $(VERSION) is the correct version)
72
ifneq (,$(_is-install-target))
73
# GNU Coding Standards state that 'make install' should not cause
74
# recompilation after 'make all'. But as long as changing the version
75
# string alters config.h, the cost of having 'make all' always have an
76
# up-to-date version is prohibitive. So, as a compromise, we merely
77
# warn when installing a version string that is out of date; the user
78
# should run 'autoreconf' (or something like 'make distcheck') to
79
# fix the version, 'make all' to propagate it, then 'make install'.
80
$(info WARNING: version string $(VERSION) is out of date;)
81
$(info run '$(MAKE) _version' to fix it)
83
$(info INFO: running autoreconf for new version string: $(_curr-ver))
94
cd $(srcdir) && rm -rf autom4te.cache .version && $(_autoreconf)
95
$(MAKE) $(AM_MAKEFLAGS) Makefile
99
.DEFAULT_GOAL := abort-due-to-no-makefile
102
# The package can override .DEFAULT_GOAL to run actions like autoreconf.
106
ifeq ($(.DEFAULT_GOAL),abort-due-to-no-makefile)
107
$(MAKECMDGOALS): abort-due-to-no-makefile
110
abort-due-to-no-makefile:
111
@echo There seems to be no Makefile in this directory. 1>&2
112
@echo "You must run ./configure before running \`make'." 1>&2
117
# Tell version 3.79 and up of GNU make to not build goals in this
118
# directory in parallel, in case someone tries to build multiple
119
# targets, and one of them can cause a recursive target to be invoked.
121
# Only set this if Automake doesn't provide it.
122
AM_RECURSIVE_TARGETS ?= $(RECURSIVE_TARGETS:-recursive=) \
123
$(RECURSIVE_CLEAN_TARGETS:-recursive=) \
124
dist distcheck tags ctags
126
ALL_RECURSIVE_TARGETS += $(AM_RECURSIVE_TARGETS)
128
ifneq ($(word 2, $(MAKECMDGOALS)), )
129
ifneq ($(filter $(ALL_RECURSIVE_TARGETS), $(MAKECMDGOALS)), )
added
removed
GNUmakefile
